CN103982274A - Lateral taking type purification silencer - Google Patents
Lateral taking type purification silencer Download PDFInfo
- Publication number
- CN103982274A CN103982274A CN201410230216.7A CN201410230216A CN103982274A CN 103982274 A CN103982274 A CN 103982274A CN 201410230216 A CN201410230216 A CN 201410230216A CN 103982274 A CN103982274 A CN 103982274A
- Authority
- CN
- China
- Prior art keywords
- chamber
- purification
- baffler
- outlet pipe
- suction tude
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000746 purification Methods 0.000 title claims abstract description 50
- 230000003584 silencer Effects 0.000 title claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 8
- 239000002356 single layer Substances 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000030279 gene silencing Effects 0.000 abstract description 6
- 230000002301 combined effect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 3
- 230000001743 silencing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 239000007787 solid Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a lateral taking type purification silencer. The lateral taking type purification silencer comprises a silencer drum, an air inlet pipe and an exhaust pipe and further comprises a center drum and at least four interlayer partition plates. The interlayer partition plates are formed by utilizing two single layer partition plates to divide a gap layer, the gap layer is a purification piece mounting cavity, the silencer drum is provided with a purification piece lateral mounting part, the purification piece lateral mounting part is formed by a base, a top cover and a sealing gasket, and the base is provided with a through groove communicated with the purification piece mounting cavity. The lateral taking type purification silencer achieves the combined effects of silencing and purification through an ingeniously mounted purification piece in a rotating type resistant silencing structure, the excellent cascade silencing effect of the rotating type resistant silencer is used for the silencing part, a laterally open type mounting structure is adopted for the purification piece, and the purification piece can be conveniently and rapidly replaced without needing to take down the silencer.
Description
Technical field
The present invention relates to a kind of side take-out type purification silencer.
Background technique
Baffler can be installed on the outlet pipe of Motor Vehicle conventionally and carry out noise reduction; how to the further purification of tail gas, to be also the trend of research application at present simultaneously; have and a kind of baffler and the integrated device of purifier are more being realized to purifying silencing function under small volume and weight; by baffler and purifier when integrated; how to design overall structure, keep the cleaning replacing of purification plant conveniently for the whole purification function that keeps of device, to stablize important in inhibiting simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of side take-out type purification silencer, this side take-out type purification silencer reaches the combined effect of noise reduction and purification by the purification sheet of ingenious installation in rotating wheel type resistant noise-reducing structure, the good tandem type erasure effect that noise reduction is partly used rotating wheel type resistant noise-reducing device itself to have, and the mounting structure that purifies sheet adopts laterally opened mounting structure, the replacing that purifies sheet is replaceable, convenient and swift without taking off baffler.
The present invention addresses the above problem adopted technological scheme:
Comprise baffler cylindrical shell, suction tude, outlet pipe, also comprise central cylinder and at least 4 interlayer dividing plates, be illustrated in figure 2 the situation of 8 interlayer dividing plates, but be easy to expect that at least 4 dividing plates of actual employing are divided into 4 chambers and can realize simple structure, the layer slot that described interlayer dividing plate is separated out by two single layer separator and single layer separator forms, described layer slot is for purifying sheet installation cavity, in described purification sheet installation cavity, be provided with filtering net plate, interlayer dividing plate connects central cylinder outer wall and baffler cylinder inboard wall, installation direction is that dividing plate plane is parallel with baffler cylindrical shell axial direction, interlayer dividing plate becomes suction tude chamber by the spatial separation between noise reduction cylinder inboard wall and central cylinder outer wall, outlet pipe chamber, the first chamber group, the second chamber group, the below of described suction tude chamber in baffler, described outlet pipe chamber is in baffler top, the right side of described the first chamber group in suction tude chamber, outlet pipe chamber, comprises at least 1 chamber, the left side of described the second chamber group in suction tude chamber, outlet pipe chamber, comprises at least 1 chamber, and described the first chamber group is consistent with the chamber quantity of the second chamber group and the quantity of interlayer dividing plate, actual the first chamber can change with the title of the second chamber that technological scheme is still set up and essence protection domain is identical, here only for about sake of clarity differentiation, and baffler cylindrical shell integral sealing,
On described baffler cylindrical shell, be provided with the sheet side dress portion that purifies, described purification sheet side dress portion consists of pedestal, top cover, gasket seal, the upper corresponding position that purifies sheet installation cavity, the sidewall outside of described pedestal in baffler cylindrical shell, in described pedestal, have and be communicated with the groove that purifies sheet installation cavity, its length coordinates with purification sheet length, on described top cover, pedestal, gasket seal, be provided with a plurality of screws that match by nut screwing clamping fitted seal
Described suction tude stretches into suction tude chamber by the inlet end of baffler cylindrical shell, described outlet pipe stretches into outlet pipe chamber by the exhaust end of baffler cylindrical shell, and the portion that described suction tude, outlet pipe stretch in baffler has a plurality of staggered suction tude exhaust ports, outlet pipe inlet hole.
The inventive point of this side take-out type purification silencer is for reaching the combined effect of noise reduction and purification by the purification sheet of ingenious installation in rotating wheel type resistant noise-reducing structure, the good tandem type erasure effect that noise reduction is partly used rotating wheel type resistant noise-reducing device itself to have, and the mounting structure that purifies sheet adopts laterally opened mounting structure, the replacing that purifies sheet is replaceable, convenient and swift without taking off baffler.
Specifically, 1, wherein rotating wheel type resistant noise-reducing structure is arranged and will in baffler cylindrical shell, be separated into suction tude chamber by position and the direction of interlayer dividing plate, outlet pipe chamber, the first chamber group, the second chamber group, described suction tude chamber, outlet pipe chamber, the first chamber group, the circumference of the second chamber group is arranged arranges the noise reduction chamber that has changed the axial cascade of baffler and arranges, air-flow is by along the circumferential direction circulating, circulating direction is: suction tude-> suction tude chamber-> the first chamber group or the second chamber group-> outlet pipe chamber-> outlet pipe, suction tude, staggered suction tude exhaust port on outlet pipe, outlet pipe inlet hole, interlayer bulkhead through-hole has guaranteed the smooth and easy of circulating direction, made to utilize interlayer dividing plate that chamber group distributes vertically as the resonance side of circulation path upper chamber, improved the Area Ratio of resonance side and air-flow path entrance, improve chamber resistance noise reduction efficacy, in the design in resistant noise-reducing chamber, the Area Ratio of resonance side and air-flow path entrance is for improving the important indicator of sound absorption cavity efficiency, here the increase meeting of Area Ratio is played beneficial effect to the erasure effect of silencing cavity, here the first chamber group, the quantity of the second chamber group is only relevant with interlayer dividing plate quantity, for interlayer dividing plate quantity subtract 2 after divided by 2, at least 4 interlayer dividing plates guarantee the first chamber group, the quantity of the second chamber group is at least one, the quantity of interlayer dividing plate is equivalent to increase the quantity of the first chamber group or the second chamber Zu Zhong sub-chamber more than the situation of 4, be not limited to symmetrical increasing, but preferably symmetrical increase, this situation is obviously easy to expect, two paths that two-way simultaneous wheel turns cavity configuration airflow have formed two air-flow paths, thus noise reduction, and by the rate net sheet arranging in interlayer dividing plate, tail gas is purified cleverly on air flow path, with this, improve the utilization ratio that wheel turns muffler cavity, in addition, in the situation that the baffler cylindrical shell of equal length, because wheel turns cascade, the length that suction port stretches into cavity is longer, air-flow buffer better effects if, the identical situation of whole erasure effect cylindrical shell volume contrasts the baffler of axial cascade, and its noise reduction can improve 2-3dB, 2, wheel turns the airflow connection in chamber by the chamber through hole on interlayer dividing plate, staggered suction tude exhaust port and outlet pipe inlet hole are realized, concrete purification process is realized in purifying sheet chamber, on described baffler cylindrical shell, be provided with the sheet side dress portion that purifies, described purification sheet side dress portion is by pedestal, top cover, gasket seal forms, in described pedestal, have and be communicated with the groove that purifies sheet installation cavity, its length coordinates with purification sheet length, position length by pedestal arranges, purifying sheet can be taken out by side from pedestal, there is again described top cover, pedestal, on gasket seal, be provided with a plurality of screws that match by nut screwing clamping fitted seal, the purification efficiency that purifies sheet in using process declines to be needed cleaning or changes and can after purifying the end cap dismounting of sheet side dress portion, carry out, while having avoided replacing, must take off baffler carries out, suitable convenience.
Further, described pedestal is 1/20th to 1/10th of baffler cylindrical shell length apart from the distance at edge, baffler cylindrical shell both sides vertically.When being convenient to mounting base, the gap reserving avoids reserving gap, maximize the length that guarantees to purify sheet simultaneously, the cavity axial length that purifies sheet installation cavity in corresponding baffler cylindrical shell can dwindle accordingly, be edge be solid near the part at baffler cylindrical shell two ends, due to solid section in end in structure suffered airspeed relatively little, on the impact of whole noise reduction purifying effect, be also minimum.
Further, the quantity of described interlayer dividing plate is 8, and the first corresponding chamber group, the chamber quantity that the second chamber group comprises are 3.Wheel turns the preferred chamber quantity that is designed to of eight chambers, and assurance chamber length is balanced with cascade effect, and noise reduction is also in approaching best noise reduction.
Accompanying drawing explanation
Fig. 1 is side take-out type purification silencer embodiment's 1 of the present invention transverse cross-sectional view;
Fig. 2 is the local three-dimensional structure diagram that amplifies of side take-out type purification silencer embodiment's 1 of the present invention purification sheet side dress portion.
Mark and corresponding component title in accompanying drawing:
10-baffler cylindrical shell 11-central cylinder 12-interlayer dividing plate 12t-chamber through hole 21-suction tude chamber 22-outlet pipe chamber 23-first chamber group 24-the second chamber group 25-center cavity 26-purifies sheet installation cavity 31-suction tude 31t-suction tude exhaust port 32-outlet pipe 32t-outlet pipe inlet hole 40-and purifies the sheet side dress 41-of portion pedestal 41t-groove 42-top cover 43-gasket seal.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done to detailed description further, but embodiments of the present invention are not limited to this.
Embodiments of the invention 1 are, as Fig. 1, shown in Fig. 2, comprise baffler cylindrical shell 10, suction tude 31, outlet pipe 32, it is characterized in that, also comprise central cylinder 11 and at least 4 interlayer dividing plates 11, the layer slot that described interlayer dividing plate 11 is separated out by two single layer separator and single layer separator forms, described layer slot is for purifying sheet installation cavity 26, in described purification sheet installation cavity 26, be provided with filtering net plate, interlayer dividing plate connects central cylinder outer wall and baffler cylinder inboard wall, installation direction is that dividing plate plane is parallel with baffler cylindrical shell axial direction, interlayer dividing plate becomes suction tude chamber 21 by the spatial separation between noise reduction cylinder inboard wall and central cylinder outer wall, outlet pipe chamber 22, the first chamber group 23, the second chamber group 24, the below of described suction tude chamber in baffler, described outlet pipe chamber is in baffler top, the right side of described the first chamber group in suction tude chamber, outlet pipe chamber, comprises at least 1 chamber, the left side of described the second chamber group in suction tude chamber, outlet pipe chamber, comprises at least 1 chamber, and described the first chamber group is consistent with the chamber quantity of the second chamber group and the quantity of interlayer dividing plate, actual the first chamber can change with the title of the second chamber that technological scheme is still set up and essence protection domain is identical, here only for about sake of clarity differentiation, and baffler cylindrical shell integral sealing,
On described baffler cylindrical shell 10, be provided with the sheet side dress portion 40 that purifies, described purification sheet side dress portion 40 consists of pedestal 41, top cover 42, gasket seal 43, the upper corresponding position that purifies sheet installation cavity, the sidewall outside of described pedestal in baffler cylindrical shell, in described pedestal, have and be communicated with the groove that purifies sheet installation cavity, its length coordinates with purification sheet length, on described top cover, pedestal, gasket seal, be provided with a plurality of screws that match by nut screwing clamping fitted seal
Described suction tude 31 stretches into suction tude chamber 21 by the inlet end of baffler cylindrical shell, described outlet pipe 32 stretches into outlet pipe chamber 22 by the exhaust end of baffler cylindrical shell, and the portion that described suction tude 31, outlet pipe 32 stretch in baffler has a plurality of staggered suction tude exhaust port 31t, outlet pipe inlet hole 32t.
The inventive point of this side take-out type purification silencer is for reaching the combined effect of noise reduction and purification by the purification sheet of ingenious installation in rotating wheel type resistant noise-reducing structure, the good tandem type erasure effect that noise reduction is partly used rotating wheel type resistant noise-reducing device itself to have, and the mounting structure that purifies sheet adopts laterally opened mounting structure, the replacing that purifies sheet is replaceable, convenient and swift without taking off baffler.
Specifically, 1, wherein rotating wheel type resistant noise-reducing structure will be separated into suction tude chamber by interlayer dividing plate in baffler cylindrical shell, outlet pipe chamber, the first chamber group, the second chamber group, described suction tude chamber, outlet pipe chamber, the first chamber group, the circumference of the second chamber group is arranged arranges the noise reduction chamber that has changed the axial cascade of baffler and arranges, air-flow is by along the circumferential direction circulating, circulating direction is: suction tude-> suction tude chamber-> the first chamber group or the second chamber group-> outlet pipe chamber-> outlet pipe, suction tude, staggered suction tude exhaust port on outlet pipe, outlet pipe inlet hole, interlayer bulkhead through-hole has guaranteed the smooth and easy of circulating direction, made to utilize interlayer dividing plate that chamber group distributes vertically as the resonance side of circulation path upper chamber, improved the Area Ratio of resonance side and air-flow path entrance, improve chamber resistance noise reduction efficacy, in the design in resistant noise-reducing chamber, the Area Ratio of resonance side and air-flow path entrance is for improving the important indicator of sound absorption cavity efficiency, here the increase meeting of Area Ratio is played beneficial effect to the erasure effect of silencing cavity, here the first chamber group, the quantity of the second chamber group is only relevant with interlayer dividing plate quantity, for interlayer dividing plate quantity subtract 2 after divided by 2, at least 4 interlayer dividing plates guarantee the first chamber group, the quantity of the second chamber group is at least one, the quantity of interlayer dividing plate is equivalent to increase the quantity of the first chamber group or the second chamber Zu Zhong sub-chamber more than the situation of 4, be not limited to symmetrical increasing, but preferably symmetrical increase, this situation is obviously easy to expect, two paths that two-way simultaneous wheel turns cavity configuration airflow have formed two air-flow paths, thus noise reduction, and by the rate net sheet arranging in interlayer dividing plate, tail gas is purified cleverly on air flow path, with this, improve the utilization ratio that wheel turns muffler cavity, in addition, in the situation that the baffler cylindrical shell of equal length, because wheel turns cascade, the length that suction port stretches into cavity is longer, air-flow buffer better effects if, the identical situation of whole erasure effect cylindrical shell volume contrasts the baffler of axial cascade, and its noise reduction can improve 2-3dB, 2, wheel turns the airflow connection in chamber by the chamber through hole on interlayer dividing plate, staggered suction tude exhaust port and outlet pipe inlet hole are realized, concrete purification process is realized in purifying sheet chamber, on described baffler cylindrical shell, be provided with the sheet side dress portion that purifies, described purification sheet side dress portion is by pedestal, top cover, gasket seal forms, in described pedestal, have and be communicated with the groove that purifies sheet installation cavity, its length coordinates with purification sheet length, position length by pedestal arranges, purifying sheet can be taken out by side from pedestal, there is again described top cover, pedestal, on gasket seal, be provided with a plurality of screws that match by nut screwing clamping fitted seal, the purification efficiency that purifies sheet in using process declines to be needed cleaning or changes and can after purifying the end cap dismounting of sheet side dress portion, carry out, while having avoided replacing, must take off baffler carries out, suitable convenience.
On embodiment 1 basis, described pedestal 41 is 1/20th to 1/10th of baffler cylindrical shell 10 length apart from the distance at edge, baffler cylindrical shell both sides vertically.When being convenient to mounting base, the gap reserving avoids reserving gap, maximize the length that guarantees to purify sheet simultaneously, the cavity axial length that purifies sheet installation cavity in corresponding baffler cylindrical shell can dwindle accordingly, be edge be solid near the part at baffler cylindrical shell two ends, due to solid section in end in structure suffered airspeed relatively little, on the impact of whole noise reduction purifying effect, be also minimum.
On embodiment 1 basis, the quantity of described interlayer dividing plate 12 is 8, and the first corresponding chamber group, the chamber quantity that the second chamber group comprises are 3.Wheel turns the preferred chamber quantity that is designed to of eight chambers, and assurance chamber length is balanced with cascade effect, and noise reduction is also in approaching best noise reduction.
As mentioned above, can realize preferably the present invention.
Claims (3)
1. side take-out type purification silencer, comprise baffler cylindrical shell (10), suction tude (31), outlet pipe (32), it is characterized in that, also comprise central cylinder (11) and at least 4 interlayer dividing plates (11), the layer slot that described interlayer dividing plate (11) is separated out by two single layer separator and single layer separator forms, described layer slot is for purifying sheet installation cavity (26), in described purification sheet installation cavity (26), be provided with filtering net plate, interlayer dividing plate connects central cylinder outer wall and baffler cylinder inboard wall, installation direction is that dividing plate plane is parallel with baffler cylindrical shell axial direction, interlayer dividing plate becomes suction tude chamber (21) by the spatial separation between noise reduction cylinder inboard wall and central cylinder outer wall, outlet pipe chamber (22), the first chamber group (23), the second chamber group (24), the below of described suction tude chamber in baffler, described outlet pipe chamber is in baffler top, the right side of described the first chamber group in suction tude chamber, outlet pipe chamber, comprises at least 1 chamber, the left side of described the second chamber group in suction tude chamber, outlet pipe chamber, comprises at least 1 chamber, and described the first chamber group is consistent with the chamber quantity of the second chamber group and the quantity of interlayer dividing plate,
On described baffler cylindrical shell (10), be provided with the sheet side dress portion (40) that purifies, described purification sheet side dress portion (40) consists of pedestal (41), top cover (42), gasket seal (43), the upper corresponding position that purifies sheet installation cavity, the sidewall outside of described pedestal in baffler cylindrical shell, in described pedestal, have and be communicated with the groove that purifies sheet installation cavity, its length coordinates with purification sheet length, on described top cover, pedestal, gasket seal, be provided with a plurality of screws that match by nut screwing clamping fitted seal
Described suction tude (31) stretches into suction tude chamber (21) by the inlet end of baffler cylindrical shell, described outlet pipe (32) stretches into outlet pipe chamber (22) by the exhaust end of baffler cylindrical shell, and the portion that described suction tude (31), outlet pipe (32) stretch in baffler has a plurality of staggered suction tude exhaust ports (31t), outlet pipe inlet hole (32t).
2. side take-out type purification silencer according to claim 1, is further characterized in that, described pedestal is 1/20th to 1/10th of baffler cylindrical shell length apart from the distance at edge, baffler cylindrical shell both sides vertically.
3. side take-out type purification silencer according to claim 1, is further characterized in that, the quantity of described interlayer dividing plate is 8, and the chamber quantity that the first chamber group, the second chamber group comprise is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230216.7A CN103982274B (en) | 2014-05-28 | 2014-05-28 | Side take-out type purification silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230216.7A CN103982274B (en) | 2014-05-28 | 2014-05-28 | Side take-out type purification silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982274A true CN103982274A (en) | 2014-08-13 |
| CN103982274B CN103982274B (en) | 2016-04-27 |
Family
ID=51274415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410230216.7A Expired - Fee Related CN103982274B (en) | 2014-05-28 | 2014-05-28 | Side take-out type purification silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103982274B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2930762A1 (en) * | 1978-08-04 | 1980-02-14 | Giuseppe Urso | EXHAUST GAS DETECTING MUFFLER |
| CN2235022Y (en) * | 1995-08-14 | 1996-09-11 | 李忠明 | Noise silencing purifier for vehicle |
| JP2000008842A (en) * | 1998-06-25 | 2000-01-11 | Suzuki Motor Corp | General purpose internal combustion engine silencer |
| CN2508003Y (en) * | 2001-11-28 | 2002-08-28 | 何非 | Exhaust gas silencing purifying device for IC engine |
| CN201786766U (en) * | 2010-07-20 | 2011-04-06 | 芜湖华洁环保设备有限公司 | Cylindrical noise silencer |
| CN203050864U (en) * | 2013-01-29 | 2013-07-10 | 中国重汽集团济南动力有限公司 | SCR post-processing silencer assembly |
| CN203925681U (en) * | 2014-05-28 | 2014-11-05 | 成都陵川特种工业有限责任公司 | Purify the side-mounted baffler of sheet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU937739A1 (en) * | 1980-10-03 | 1982-06-23 | Предприятие П/Я В-2320 | Exhaust silencer and spark extinguisher |
-
2014
- 2014-05-28 CN CN201410230216.7A patent/CN103982274B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2930762A1 (en) * | 1978-08-04 | 1980-02-14 | Giuseppe Urso | EXHAUST GAS DETECTING MUFFLER |
| CN2235022Y (en) * | 1995-08-14 | 1996-09-11 | 李忠明 | Noise silencing purifier for vehicle |
| JP2000008842A (en) * | 1998-06-25 | 2000-01-11 | Suzuki Motor Corp | General purpose internal combustion engine silencer |
| CN2508003Y (en) * | 2001-11-28 | 2002-08-28 | 何非 | Exhaust gas silencing purifying device for IC engine |
| CN201786766U (en) * | 2010-07-20 | 2011-04-06 | 芜湖华洁环保设备有限公司 | Cylindrical noise silencer |
| CN203050864U (en) * | 2013-01-29 | 2013-07-10 | 中国重汽集团济南动力有限公司 | SCR post-processing silencer assembly |
| CN203925681U (en) * | 2014-05-28 | 2014-11-05 | 成都陵川特种工业有限责任公司 | Purify the side-mounted baffler of sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103982274B (en) | 2016-04-27 |
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Granted publication date: 20160427 Termination date: 20170528 |